{"instruction": "You are an expert in named entity recognition. Please extract entities that match the schema definition from the input. Return an empty list if the entity type does not exist. Please respond in the format of a JSON string.", "schema": ["GENE"], "input": "Is clopidogrel superior to aspirin in secondary prevention of vascular disease ? The cornerstone in clinical evidence of the relative efficacy of thienopyridines ( clopidogrel , ticlopidine ) versus aspirin in the secondary prevention of vascular disease is the Clopidogrel versus Aspirin in Patients at Risk of Ischaemic Events trial ."}
{"GENE": []}